Home / 21,062,418.29-29,057,481.45-12,801,149.72

Finding the Fourth Proportional to 21,062,418.29, 29,057,481.45 and 12,801,149.72

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Solution

The fourth proportional to 21,062,418.29, 29,057,481.45 and 12,801,149.72 is: 17,660,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,418.29 : 29,057,481.45 = 12,801,149.72 : x
  2. Step 2: Convert to fraction form
    21,062,418.29/29,057,481.45 = 12,801,149.72/x
  3. Step 3: Cross multiply
    21,062,418.29x = 29,057,481.45 × 12,801,149.72
  4. Step 4: Simplify right side
    21,062,418.29x = 371,969,170,527,572.69
  5. Step 5: Solve for x
    x = 371,969,170,527,572.69/21,062,418.29
  6. Step 6: Final answer
    x = 17,660,325.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.